ladybird/Userland/avol.cpp

/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <LibAudio/Buffer.h>
#include <LibAudio/ClientConnection.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/EventLoop.h>
#include <stdio.h>

int main(int argc, char** argv)
{
    Core::EventLoop loop;
    auto audio_client = Audio::ClientConnection::construct();
    audio_client->handshake();

    bool mute = false;
    bool unmute = false;
    // FIXME: What is a good way to have an optional int argument?
    const char* volume = nullptr;

    Core::ArgsParser args_parser;
    args_parser.add_option(mute, "Mute volume", "mute", 'm');
    args_parser.add_option(unmute, "Unmute volume", "unmute", 'M');
    args_parser.add_positional_argument(volume, "Volume to set", "volume", Core::ArgsParser::Required::No);
    args_parser.parse(argc, argv);

    if (!mute && !unmute && !volume) {
        auto volume = audio_client->get_main_mix_volume();
        printf("Volume: %d\n", volume);
        return 0;
    }
    if (!(mute ^ unmute ^ (volume != nullptr))) {
        fprintf(stderr, "Only one of mute, unmute or volume must be used\n");
        return 1;
    }
    if (mute) {
        audio_client->set_muted(true);
        printf("Muted.\n");
    } else if (unmute) {
        audio_client->set_muted(false);
        printf("Unmuted.\n");
    } else {
        auto new_volume = atoi(volume);
        audio_client->set_main_mix_volume(new_volume);
    }
    return 0;
}